Home / 345,904.10-518,817.24-93,203.30

Finding the Fourth Proportional to 345,904.10, 518,817.24 and 93,203.30

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Solution

The fourth proportional to 345,904.10, 518,817.24 and 93,203.30 is: 139,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,904.10 : 518,817.24 = 93,203.30 : x
  2. Step 2: Convert to fraction form
    345,904.10/518,817.24 = 93,203.30/x
  3. Step 3: Cross multiply
    345,904.10x = 518,817.24 × 93,203.30
  4. Step 4: Simplify right side
    345,904.10x = 48,355,478,864.89
  5. Step 5: Solve for x
    x = 48,355,478,864.89/345,904.10
  6. Step 6: Final answer
    x = 139,794.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.